Fox Valley Astronomical Society
Astrophotography by Bob Shabowski
M57 - The Ring Nebula
Date
2 Nov 2001
Camera
Vesta Pro SC webcam
Telescope
LX200
f
/10 SCT with f/6.3 reducer
Processing
Combination of three 60-second images images. Dark-frame subtracted and unsharp masking applied
Exposure
3 x 60 seconds
